Submission #828521

# Submission time Handle Problem Language Result Execution time Memory
828521 2023-08-17T10:43:56 Z shoryu386 Global Warming (CEOI18_glo) C++17
100 / 100
619 ms 256452 KB
#include <bits/stdc++.h>
using namespace std;

//#define int long long

struct node{
	int s, e, m;
	int v = 0;
	node *l = nullptr, *r = nullptr;
	
	node(int _s, int _e){
		s = _s, e = _e, m = (s+e)/2;
	}
	
	void deletefkfkfk(){
		if (l != nullptr) l->deletefkfkfk(), delete l;
		if (r != nullptr) r->deletefkfkfk(), delete r;
	}
	
	void make_l(){
		if (l == nullptr) l = new node(s, m);
	}
	
	void make_r(){
		if (r == nullptr) r = new node(m+1, e);
	}
	
	void update(int x, int y){
		if (s == e) {v = max(v, y); return;}
		
		if (x <= m) make_l(), l->update(x, y), v = max(v, l->v);
		else make_r(), r->update(x, y), v = max(v, r->v);
	}
	
	int query(int x, int y){
		//cout << s << ' ' << e << '\n';
		if (x <= s && e <= y) return v;
		
		if (y <= m) {
			if (l == nullptr) return 0;
			return l->query(x, y);
		}
		else if (x > m) {
			if (r == nullptr) return 0;
			return r->query(x, y);
		}
		else {
			if (l == nullptr && r == nullptr) return 0;
			if (l == nullptr) return r->query(m+1, y);
			if (r == nullptr) return l->query(x, m);
			return max(l->query(x, m), r->query(m+1, y));
		}
	}
};

main(){
	int n, bruh; cin >> n; cin >> bruh;
	
	int arr[n];
	for (int x = 0; x < n; x++) cin >> arr[x];

	node st2(0, 2000000000), st3(0, 2000000000);
	
	int plis[n];
	int slis[n];
	for (int x = n-1; x > -1; x--){
		slis[x] = st2.query(arr[x]+1, 2000000000)+1;
		st2.update(arr[x], slis[x]);
	}

	int ans = 0;
	for (int x = 0; x < n; x++){
		plis[x] = st3.query(0, arr[x]-1)+1;
		ans = max(ans, st3.query(0, arr[x] + bruh - 1) + slis[x]);
		st3.update(arr[x], plis[x]);
	}
	
	cout << ans;
}

Compilation message

glo.cpp:56:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   56 | main(){
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 3 ms 2260 KB Output is correct
20 Correct 3 ms 2260 KB Output is correct
21 Correct 3 ms 2260 KB Output is correct
22 Correct 4 ms 2260 KB Output is correct
23 Correct 2 ms 1236 KB Output is correct
24 Correct 2 ms 1236 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 555 ms 256320 KB Output is correct
2 Correct 619 ms 256380 KB Output is correct
3 Correct 538 ms 256392 KB Output is correct
4 Correct 558 ms 256356 KB Output is correct
5 Correct 243 ms 139124 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 118 ms 73168 KB Output is correct
2 Correct 132 ms 73084 KB Output is correct
3 Correct 139 ms 73064 KB Output is correct
4 Correct 78 ms 39288 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 45 ms 7836 KB Output is correct
7 Correct 87 ms 52172 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 255 ms 136792 KB Output is correct
2 Correct 259 ms 136620 KB Output is correct
3 Correct 566 ms 256452 KB Output is correct
4 Correct 251 ms 139108 KB Output is correct
5 Correct 107 ms 20812 KB Output is correct
6 Correct 155 ms 39344 KB Output is correct
7 Correct 166 ms 40012 KB Output is correct
8 Correct 174 ms 98964 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 3 ms 2260 KB Output is correct
20 Correct 3 ms 2260 KB Output is correct
21 Correct 3 ms 2260 KB Output is correct
22 Correct 4 ms 2260 KB Output is correct
23 Correct 2 ms 1236 KB Output is correct
24 Correct 2 ms 1236 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 555 ms 256320 KB Output is correct
28 Correct 619 ms 256380 KB Output is correct
29 Correct 538 ms 256392 KB Output is correct
30 Correct 558 ms 256356 KB Output is correct
31 Correct 243 ms 139124 KB Output is correct
32 Correct 118 ms 73168 KB Output is correct
33 Correct 132 ms 73084 KB Output is correct
34 Correct 139 ms 73064 KB Output is correct
35 Correct 78 ms 39288 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 45 ms 7836 KB Output is correct
38 Correct 87 ms 52172 KB Output is correct
39 Correct 255 ms 136792 KB Output is correct
40 Correct 259 ms 136620 KB Output is correct
41 Correct 566 ms 256452 KB Output is correct
42 Correct 251 ms 139108 KB Output is correct
43 Correct 107 ms 20812 KB Output is correct
44 Correct 155 ms 39344 KB Output is correct
45 Correct 166 ms 40012 KB Output is correct
46 Correct 174 ms 98964 KB Output is correct
47 Correct 266 ms 137636 KB Output is correct
48 Correct 254 ms 137620 KB Output is correct
49 Correct 536 ms 256388 KB Output is correct
50 Correct 240 ms 138992 KB Output is correct
51 Correct 127 ms 21620 KB Output is correct
52 Correct 237 ms 41480 KB Output is correct
53 Correct 183 ms 41364 KB Output is correct
54 Correct 176 ms 42128 KB Output is correct
55 Correct 395 ms 185180 KB Output is correct